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HelpTest ID NBLD0286 Urine Calculi Workup 2
Specimen Type/Requirements
24 Hour Urine Container - Urine, 3 aliquots from a well mixed and measured 24 Hour Urine
Refrigerate specimen during collection. Record 24 hour total volume on specimens and order.
Avoid taking large doses of Vitamin C during collection.
Specimen Volume
1st Aliquot of Urine:
| Preferred Volume | 40.0 ml |
|---|---|
| Minimum Volume | 3.0 mL |
2nd and 3rd Aliquots of Urine:
| Preferred Volume | 4.0 mL each |
|---|---|
| Minimum Volume | 1.0 mL each |
Stability/Transport
| Room Temperature | Not Acceptable | |
|---|---|---|
| Refrigerated | 3 days | Preferred for transport |
| Frozen | Not Acceptable |
Performed Test Frequency
Varies depending on performing lab schedule
Additional Information
Test includes: Phosphorus, Sodium, Calcium, Uric Acid, Citric Acid and Oxalate from 24 hr Urine.
Methodology
Varies, See individual tests for method
Performing Lab
Mayo and Sanford Sioux Falls
CPT
84105, 84300, 82340, 84560, 82507, 83945